Dr Abba Mallum is a Clinical Radiation Oncology consultant and honorary clinical fellow in academic training at the University of KwaZulu-Natal/Inkosi Albert Luthuli Central Hospital in South Africa. He also serves as an honorary consultant and visiting lecturer at the University of Maiduguri Teaching Hospital in Maiduguri, Borno State, Nigeria, where he earned his medical degree. As the founder of Global Onco Care South Africa, Dr Mallum has helped bridge the gap between public and private healthcare by providing accessible, high-quality, low-cost healthcare, particularly in South Africa's North-West region where public oncology services are limited. He obtained a Master’s in Medicine from Stellenbosch University, South Africa, and is currently pursuing his doctoral training at the University of KwaZulu-Natal, South Africa.